Topic 2 - Viruses

Question 1

Type of DNA virus

Answer 1

(lamda) phage virus

Question 2

types of viruses

Answer 2

• dna
• rna
• rna retro

Question 3

example of RNA

2

Answer 3

positive sense ssRNA - tobacco mosaic virus
negative sense ssRNA - Ebola

Question 5

example of RNA retro virus

Answer 5

Human Immunodifficiency Virus (HIV)

Question 6

What kind of structure are viruses

living/not

Answer 6

non-living

Question 7

What do viruses consist of

Answer 7

nucleic acids - DNA / RNA

Question 8

What are viruses coated by? what is it called?

Answer 8

enclosed in protein coat
- capsid

Question 9

Ethical implications to using untested drugs?

3

Answer 9

• can’t get informed consent
• unknown side effects
• may not be as effective as the currently accepted treatment

Question 10

What are the two types of viral reproduction?

Answer 10

-lysogenic
-lytic

Question 11

2 ways viruses enter cells

1 - plant

Answer 11

endocytosis - engluf
- binds to receptors, disguise

plant virus - by use of a vector piercing cell wall